Home / 861,727.74-1,293,182.01-300,762.24

Finding the Fourth Proportional to 861,727.74, 1,293,182.01 and 300,762.24

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Solution

The fourth proportional to 861,727.74, 1,293,182.01 and 300,762.24 is: 451,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,727.74 : 1,293,182.01 = 300,762.24 : x
  2. Step 2: Convert to fraction form
    861,727.74/1,293,182.01 = 300,762.24/x
  3. Step 3: Cross multiply
    861,727.74x = 1,293,182.01 × 300,762.24
  4. Step 4: Simplify right side
    861,727.74x = 388,940,318,055.30
  5. Step 5: Solve for x
    x = 388,940,318,055.30/861,727.74
  6. Step 6: Final answer
    x = 451,349.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.